package model;

public class Animal {
    int num=10;
    static int age=20;

    public void eat(){
        System.out.println("动物在吃饭");
    }

    public static void sleep() {
        System.out.println("动物在东西");
    }

    public static void run() {
        System.out.println("动物在奔跑");
    }
}
